Submission #1093050
Source Code Expand
#include <iostream> #include <cstdio> #define N 100005 using namespace std; typedef long long ll; ll n, s1, s2, t, s, k, num, cnt, a[N], ans[N]; int main() { ll i; // freopen ("input.txt", "r", stdin); cin >> n; for (i = 0; i < n; i++) { scanf ("%lld", &a[i]); s += a[i]; } t = n * (n + 1) / 2; if (s % t > 0) { cout << "NO"; return 0; } if (n == 1) { cout << "YES"; return 0; } k = s / t; num = k - (a[0] - a[n - 1]); if (num % n > 0) { cout << "NO"; return 0; } ans[0] = num / n; cnt = num / n; for (i = 1; i < n - 1; i++) { num = k - (a[i + 1] - a[i]); if (num % n > 0) { cout << "NO"; return 0; } ans[i] = num / n; cnt += ans[i]; } if (cnt != k) { cout << "NO"; return 0; } cout << "YES"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | sean617 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 815 Byte |
Status | WA |
Exec Time | 17 ms |
Memory | 1792 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:14:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%lld", &a[i]); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
|
|
Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 16 ms | 1792 KB |
in10.txt | AC | 4 ms | 384 KB |
in11.txt | AC | 17 ms | 1792 KB |
in12.txt | AC | 17 ms | 1792 KB |
in13.txt | AC | 15 ms | 1536 KB |
in14.txt | AC | 3 ms | 256 KB |
in15.txt | AC | 2 ms | 256 KB |
in16.txt | AC | 3 ms | 256 KB |
in17.txt | AC | 2 ms | 256 KB |
in18.txt | WA | 3 ms | 256 KB |
in19.txt | AC | 2 ms | 256 KB |
in2.txt | AC | 17 ms | 1792 KB |
in20.txt | AC | 2 ms | 256 KB |
in21.txt | AC | 15 ms | 1024 KB |
in22.txt | AC | 15 ms | 1024 KB |
in23.txt | AC | 15 ms | 1024 KB |
in24.txt | AC | 3 ms | 256 KB |
in25.txt | AC | 4 ms | 384 KB |
in26.txt | AC | 17 ms | 1792 KB |
in27.txt | AC | 17 ms | 1792 KB |
in3.txt | AC | 17 ms | 1792 KB |
in4.txt | AC | 17 ms | 1792 KB |
in5.txt | AC | 17 ms | 1792 KB |
in6.txt | AC | 15 ms | 1024 KB |
in7.txt | AC | 15 ms | 1024 KB |
in8.txt | AC | 4 ms | 384 KB |
in9.txt | AC | 4 ms | 384 KB |
sample1.txt | AC | 3 ms | 256 KB |
sample2.txt | AC | 3 ms | 256 KB |
sample3.txt | AC | 3 ms | 256 KB |